Question

solve the question no 9

Answer 1

$y + 20 = 58 \: they \: are \: corresponding \: angle \\ so \: \: y = 38 \\ \\ 100 + x + y = 180 \\ x = 180 - 100 - 38 \\ \\ x = 42$


as the line EF
so there is linear angle hece the sun is 180
and the sum of angle of triangle is 180.
hope this is helpful.

Answer 2

Hence, The value of x is 42º
and...
The value of y is 38º

HOPE it helps to you!!!!